Skin cover for a game controller



FIG. 1 is a top plan view for a skin cover for a game controller showing my new design thereof;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a perspective view thereof, shown in environmental use.

The broken lines illustrate environment and forms no part of the claimed design. 

CLAIM The ornamental design for a skin cover for a game controller, as shown and described. 